<?php $args = array('post_type' => 'publication', 'paged' => 1, 'posts_per_page' => 3);
query_posts($args);
while (have_posts()) {
    the_post(); ?>
    <div class="span4 bg-pub">
        <article class="box"><h4><?php the_title(); ?></h4>

            <div class="date pull-right"><?php the_date('Y/m/d'); ?></div>
            <div class="subtitle muted"><?php echo 'Other'; ?></div>
            <p class="p-min-height"><?php echo 'summary'; ?></p>

            <div class="text-center"><a class="btn btn-inverse btn-small btn-pub"
                                        href="<?php the_permalink(); ?>">View</a></div>
        </article>
    </div>

<?php }
wp_reset_query(); ?>